Spring wheel



- SPRING WHEEL.

' 'APPLICATION FILED JAN. 6, |922.

1,41 3,608. Patented Apr- 25, 1922.

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f emanano. ovnnon, on'xn'nyoiv, MINNESOTA.

i i I i Application filed January This invention relatesto a spring wheel of the type in which traction members inthe torni of blocks ai'e `y'ieldin'gly mounted intheV wheel rim and project therei'lir'om'.4 The wheel is particularly'designed for automobiles and especially such automobiles as* are used in truck service.l y

It is an object of this invention to pro.-

vide a spring wheel or ciishion'wheel havingV f very few parts, which partscanbe 'easily'and inexpensively' made andj assembled.

ItV is a VYfurther object' oi the' invention to Y construct the parts of thespringwheelI so that the same will be i'rnily'held in proper position duri-'ng the movement thereof.

These and other objectsiand advantages of the invention will be fully set nforth' in the Jfollowing ldescription made in connection with the accompanying drawings in which like reference characters refer' to the saine' parts throughout the different views, and in which# Figj'lv is a partial side view ot the wheel' in side'elevatioii, certain parts vloeingshownV in section; y

Fig. Q is a vertical section taken on the line 2-2 of Fig. l;

Fig. 3 is a radial section taken on the line 3 3 of Fig. l; and

Fig. 4 is a radial section taken on the line 4-4 of Fig. l. y y

Referring to the drawings, the wheel comprises a trough-shapedmember l, the bottoni oi which is substantially parallel with the aXis of the wheel and the side portions oi which Hare outwardly therefrom. This rim is formed at its peripheral edges with radially projecting and circumferentially spaced flat lugs la, the lugs on the two sides ot the rim being arranged in alined pairs, the

sides of the .lugs adjacent the rim being parallel but flaring outwardly at their outer portions. Secured between each pair of lugs la is a wedge shaped block 2, these blocks being secured in place by headed and nutted bolts syn-rino WHEEL.

Specification of Letters latent.v Patented Apr. 1922.

' @extending through alined'liolesii'i saidlugs and through apertures infsaidvblocksf The l blocks 2 are formed atl their inner portions to --it the .flaring sides 'of themember Vll and said rim is provided with spaced depressions in whichv lugs or projections 22a on the blocks are disposed. rPhe vblocks 2 are' 'formed at each radial' side-thereof' with slots 2b exf tendingI fromI the inner or' bottoni portion thereof to apoin't substantially in :filiiieineiit with vthe end ofthe parallelV sidev` portions oit lugsilal Mounted toslidebetwe'en and in contacswith the blocks '2' are the' hollow block members or shells l having their .topl or v'outer surfaces 'tor-med' cur-ved ibstaiit'ially 'concentric 'with the center off the'. wheel' and 'having-their eiidsurtacessolidor continuous and in; cont'actI with the' blocksvr 2'. rThese l members 'l- Vhave l-ugsf auf 'proj ecting'v centrally r'om'the bottom oftheiiendsuriiaces, which lugs are adapted to be vdisposed to slide in. the slotsQb'in tflie blocks 2. 5 The ineinbers el i are cut' away at the side portions,` as clearly shownin lfaiidarefprovided in their topY portions with centrally disposed cylindrical recesses 4"; Coil'ed springs 5 are ar ranged with'y their top portions disposed in the recesseseb''andbearA at'l their inner endsv against `Vthe ybottoni io'fr'tihe vvrim member l, said cylindrical raised portions or bosses 1b' over which tfhe said springs are 'disposed' and by which they are heldinplace.. The member l will ordinarily be formed' as f conti nu ons ri in split or divided, asshownfatll thezsaniebezingl providedf at. this point with'- upstanding As the wheel travels along the ground, the

weight thereon will be sustained by the members 4 and these members will be yieldingly pressed in as they come in contact with the ground, the springs 5 yielding in this action. These springs will normally keep outer portion of the slots 21. The outer surface of the members 4' may, ofcourse, be corrugated or providedl with any suitable tracthe meinberst pressed outwardly so that the' lugs 4 will be in contact with the top or.

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j ected outward.

tion or friction device. 'wheel constructed as described, operates very smoothly and 'when once assembled, will require very little attention tor maintenance or repair.

ltrwill, of course, be understood that various changes may be made in the form, details and proportions ot the parts without departing from the scope or applicants invention, which, generally stated consists in the matter shown and described and set forth in the appended claims.

What is claimed is:

l. spring wheel structure having in combination., a trough shaped rim having at each edge thereof radially projecting integral iiat lags, the lugs at the respective edges of said rim being arranged in alined pairs, a sie ge-sliaped block secured between the lugs of each of said pairs, said blocks having lugs engaged with said rim and having closed end slots in their radial sides eX- tending 'trom their inner edges, radially dis-` posed shell members adapted to slide in contact with said bloclrs between the same and having lugs projecting tromtheir'end portions moving in said slots in thek blocks, said shell members having closed ends and tops, and springs bearingV at one end on the periphery of said rim and engaging the shell* members beneath the top thereof whereby said shell members will be yieldingly pro- 2. A tour-part spring wheel structure comprising a trough-shaped rim member having radially projecting flat lugs spaced at each peripheral edge thereof, the lugs at the respective edges ot the rim being arranged in alined pairs, a solid block secured between the lugs of each of said pairs, a hollow bloc-k member disposed between each pair of said solid blocks having an arcshaped top, and flat ends adapted to slide in contact with the sides of said solid blocks. and single springs-engaging said rim and each of said hollow blocks .underneath the top of the latter.

3. A spring wheel structure comprising a vtrough-shaped rim` having radially projecting spaced fiat lugsv at each edge thereof, the lugs at the respective edges of the rim being arranged in alined pairs, a wedge-shaped block secured between the lugs of each of said pairs, and hollow block members arranged or slidingl movement between said blocks having their side portions cut away, said hollow blocks eachhaving a cylindrical recess centrally disposed in the inner top portion thereof, and a single coiled spring for each hollow block having one end disposed in said recess, and bearing at its other end upon said rim whereby the hollow blocks are yieldingly pressed outwardly.

el. A spring wheel structure comprising a trough-shaped rim having radially projecting circumferentially spaced integral lugs at each peripheral edge thereoi", the lugs ot the respective edges being arranged in alined pairs, blocks secured to said rim and disposed between said lugs, tread members disposed between said blocks and having outwardly limited sliding engagement there'- with, and a spring foreach tread member disposed between the same and the rim land normally `pressing said member outwardly. y 5. A spring wheel structure comprising a trough-shaped rim having radially projecting circumferentially spaced flat flaring lugs at each peripheral edge thereof, said rim` having spaced recesses in its bottom, blocks secured between said lugs and having spaced projections at their inner portions disposed inthe recesses in said rim, tread members arranged to slide between said blocks, means tor limiting the outward movement o-said ltread members, and a single spring for each tread member bearing on the rim and pressing' said tread member outwardly.

' ln testimony whereof l affix my signature.

ELLERTH C,V OVERBOE.V

lVitnesses: Y Y

MINA LOKEN, MYRTLE F. NORD. 

